EP3450623B1 - Procédé de contrôle de la croissance de micro-organismes et/ou de biofilms dans un processus industriel - Google Patents
Procédé de contrôle de la croissance de micro-organismes et/ou de biofilms dans un processus industriel Download PDFInfo
- Publication number
- EP3450623B1 EP3450623B1 EP17188319.2A EP17188319A EP3450623B1 EP 3450623 B1 EP3450623 B1 EP 3450623B1 EP 17188319 A EP17188319 A EP 17188319A EP 3450623 B1 EP3450623 B1 EP 3450623B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- group
- propenenitrile
- sulphonyl
- biofilm
- aqueous environment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 claims description 8
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 8
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 8
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 claims description 8
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 8
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- TULDNTGQQVTNLE-UHFFFAOYSA-N 3-(4-methylphenyl)sulfonylprop-2-enamide Chemical compound CC1=CC=C(S(=O)(=O)C=CC(N)=O)C=C1 TULDNTGQQVTNLE-UHFFFAOYSA-N 0.000 claims description 4
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- DOEWDSDBFRHVAP-UHFFFAOYSA-N 3-(4-methylphenyl)sulfonyl-2-propenenitrile Chemical compound CC1=CC=C(S(=O)(=O)C=CC#N)C=C1 DOEWDSDBFRHVAP-UHFFFAOYSA-N 0.000 claims description 3
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- RAIPHJJURHTUIC-UHFFFAOYSA-N 1,3-thiazol-2-amine Chemical group NC1=NC=CS1 RAIPHJJURHTUIC-UHFFFAOYSA-N 0.000 claims description 2
- LRUYOYCQQXHOFY-UHFFFAOYSA-N 3-(2,4-dimethylphenyl)sulfonylprop-2-enenitrile Chemical compound CC1=C(C=CC(=C1)C)S(=O)(=O)C=CC#N LRUYOYCQQXHOFY-UHFFFAOYSA-N 0.000 claims description 2
- FEEQHNNWBCSMFA-UHFFFAOYSA-N 3-(3,4-dimethylphenyl)sulfonylprop-2-enenitrile Chemical compound CC=1C=C(C=CC=1C)S(=O)(=O)C=CC#N FEEQHNNWBCSMFA-UHFFFAOYSA-N 0.000 claims description 2
- NKKUXTHWYLCLFM-UHFFFAOYSA-N 3-(3,5-dimethylphenyl)sulfonylprop-2-enenitrile Chemical compound CC=1C=C(C=C(C=1)C)S(=O)(=O)C=CC#N NKKUXTHWYLCLFM-UHFFFAOYSA-N 0.000 claims description 2
- HLOMGAHRGNCQAK-UHFFFAOYSA-N 3-(4-fluorophenyl)sulfonylprop-2-enenitrile Chemical compound FC1=CC=C(C=C1)S(=O)(=O)C=CC#N HLOMGAHRGNCQAK-UHFFFAOYSA-N 0.000 claims description 2
- MXTRJSXCQMVPSG-UHFFFAOYSA-N 3-(4-methylphenyl)sulfonylprop-2-enoic acid Chemical compound CC1=CC=C(S(=O)(=O)C=CC(O)=O)C=C1 MXTRJSXCQMVPSG-UHFFFAOYSA-N 0.000 claims description 2
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- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 1
- GRBCNEIBDFNEES-UHFFFAOYSA-M sodium;2,4,6-trimethylbenzenesulfinate Chemical compound [Na+].CC1=CC(C)=C(S([O-])=O)C(C)=C1 GRBCNEIBDFNEES-UHFFFAOYSA-M 0.000 description 1
- AOJUNZYQOYSGHT-UHFFFAOYSA-M sodium;2,4,6-trimethylbenzenesulfonate Chemical compound [Na+].CC1=CC(C)=C(S([O-])(=O)=O)C(C)=C1 AOJUNZYQOYSGHT-UHFFFAOYSA-M 0.000 description 1
- IRJVONHUBTUTAL-UHFFFAOYSA-M sodium;4-(trifluoromethyl)benzenesulfinate Chemical compound [Na+].[O-]S(=O)C1=CC=C(C(F)(F)F)C=C1 IRJVONHUBTUTAL-UHFFFAOYSA-M 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000012192 staining solution Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
- D21H21/04—Slime-control agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/008—Prevention of corrosion or formation of deposits on pulp-treating equipment
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/09—Sulfur-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
Definitions
- the present invention relates to a method for controlling growth of microorganisms and/or biofilms in an industrial process according to the preamble of the enclosed independent claim.
- Microorganisms are present in most of the industrial processes. Their presence is especially cumbersome in processes which are water intensive, such as manufacture of pulp, paper, board or the like. Microorganisms thrive when the process water contains biodegradable dissolved substances and the temperature and pH of the process water are favourable for microbial life. Microorganisms may enter the process through contamination from air, incoming raw water and/or non-sterile raw materials. If no countermeasures are taken, microorganisms may cause extensive problems in a process, such as papermaking. Problems related to microorganisms include, for example, decomposition of chemical additives, detrimental change in process pH, formation of malodorous or toxic compounds, and/or biofilm formation on surfaces.
- US 2,564,430 discloses a process for controlling slime in pulp and paper mill systems by adding a compound from the group consisting of mercurated benzene sulfonic acid and its soluble salts to an aqueous suspension of unbleached sulphate pulp.
- WO 2014/114851 discloses a biocide composition
- a biocide composition comprising a biocide and a carrier, where the biocide is soluble in the carrier.
- the carrier may comprise polyethylene glycol ester.
- a method for controlling biofilms by eliminating and/or preventing microorganisms in an aqueous environment is also disclosed.
- Biofilm formation is a problem in paper and board production, and there is a need to improve efficacy of biofilm control.
- An object of this invention is to minimise or possibly even eliminate the disadvantages existing in the prior art.
- Another object of the present invention is to provide a method which makes it possible to effectively control biofilms with a low composition dosage in an industrial manufacturing process comprising cellulosic fibre material, for example, in pulp, paper or board manufacture.
- An object of the present invention is to provide a method which makes it possible to effectively prevent, inhibit and/or reduce biofilm growth with a low composition dosage in an industrial manufacturing process comprising cellulosic fibre material, for example, in pulp, paper or board manufacture.
- An object of the present invention is to provide a method which makes it possible to effectively control the growth of microorganisms in an industrial manufacturing process comprising cellulosic fibre material, for example, in pulp, paper or board manufacture.
- Yet another object of the present invention is to provide simple and effective method for industrial biofilm control at high temperatures, especially in aqueous process conditions with high cellulosic fibre content and/or at least locally high shear forces and/or high flow rates.
- compositions comprising at least one compound according to Formula (I) are highly effective in controlling the formation of biofilm and/or growth of microorganisms, in an aqueous environment of an industrial manufacturing process comprising cellulosic fibre material, especially in paper, board and pulp manufacture.
- the obtained effect is good even at low dosage of the compound and in aqueous environments having high flow rate and/or high temperature.
- the compounds according to Formula (I) would show antimicrobial performance that is as good as or even better than the conventional antimicrobial agents used against biofilms in pulp and paper industry.
- the compounds according to Formula (I) are useful in providing an anti-bacterial effect and controlling the growth of biofilm and/or bacteria.
- controlling of biofilm growth encompasses control actions selected at least from preventing, inhibiting and/or reducing of biofilm. These control actions may take place before, during or after biofilm formation and the control actions may take place separately or simultaneously, for example the compound according to Formula (I) may both prevent formation of new biofilm and simultaneously reduce the existing biofilm.
- the compound according to Formula (I) may be useful in preventing of biofilm. This means that the compound prevents formation of biofilm on biofilm free process surfaces.
- the compound may also be useful in inhibiting of biofilm. This means that the compound inhibits further growth of existing biofilm and/or inhibits formation of a biofilm on biofilm free process surface.
- the compound may further be useful in reducing the biofilm.
- control of biofilm growth may be achieved by controlling the amount of microorganisms in the process and/or by controlling their growth in biofilm mode.
- the compound according to Formula (I) may be useful in controlling the growth of microorganisms, either in biofilm and/or free in the aqueous environment of an industrial manufacturing process comprising cellulosic fibre material, preferably in biofilm.
- biofilm is understood as a community of microorganisms, typically bacteria, which adheres to a process surface and usually grows surrounded by a complex matrix of extrapolymeric substances.
- the biofilm protects the microorganisms, which makes the control of biofilm growth more challenging than control of growth of free microorganisms. Ineffective biofilm control may cause significant issues in industrial processes, for example in form of increased cleaning need, production stops and/or deterioration of production quality and/or quantity.
- controlling of the growth of the microorganisms refers to eliminating and/or reducing of the amount and/or activity of microorganisms and the term is synonymous to any biostatic or biocidal effect, such as killing, preventing, removing, or inhibiting the growth of microorganisms.
- the microorganisms may be present in free form in the aqueous environment or in a form of a biofilm, known also as biofilm mode of growth
- composition of the present invention is suitable for administering or use in industrial manufacturing processes comprising cellulosic fibre material, such as manufacture of paper, board, pulp, tissue, moulded pulp, non-woven, viscose or the like.
- the aqueous environment comprises preferably at least water, cellulosic fibre material, fines and/or fibre fragments of natural origin.
- the aqueous environment may also comprise starch.
- the cellulosic fibre material preferably originates from softwood, hardwood or non-wood sources, such as bamboo or kenaf, or any mixtures thereof.
- the cellulosic fibre material originates from lignocellulosic fibre material. More preferably the cellulosic fibre material is lignocellulosic fibres.
- the cellulosic fibre material may originate from any suitable mechanical, chemi-mechanical or chemical pulping process or any of their combinations or any other suitable pulping process known as such.
- the cellulosic fibre material may also comprise fibre material which originates from recycled board, paper or pulp.
- the cellulosic fibre material may comprise cellulosic fibres that originate from hardwood and have a length of 0.5 - 1.5 mm and/or from softwood and have a length of 2.5 - 7.5 mm.
- the aqueous environment may also comprise inorganic mineral particles, such as fillers and/or coating minerals; hemicelluloses; lignin; and/or dissolved and colloidal substances.
- the aqueous environment may also comprise papermaking additives, such as starch, sizing agents, inorganic or organic coagulation or flocculation agents, natural or synthetic polymers of different length and/or charge, dyes, optical brighteners or any combination thereof.
- papermaking additives such as starch, sizing agents, inorganic or organic coagulation or flocculation agents, natural or synthetic polymers of different length and/or charge, dyes, optical brighteners or any combination thereof.
- the compound according to the Formula (I) is such that R1 represents methyl group; ethyl propyl group; butyl group; methoxy group; ethoxy group; propoxy group; isopropoxy group; n-butoxy group; or tertiary butoxy group; and R2 and R3 represent independently hydrogen atom; methyl group; ethyl propyl group; butyl group; methoxy group; ethoxy group; propoxy group; isopropoxy group; n-butoxy group; tertiary butoxy group; and A represents 2-propenenitrile; and R1, R2, R3 may be located independently in ortho, meta or para position in relation to A. It has been observed that these compounds are especially effective in reducing biofilm formation and/or growth of microorganisms.
- the compound according to the Formula (I) is such that R1 represents methyl group; ethyl propyl group; butyl group; methoxy group; ethoxy group; propoxy group; isopropoxy group; n-butoxy group; tertiary butoxy group; or amino group; and R2 and R3 represent independently hydrogen atom; methyl group; ethyl propyl group; butyl group; methoxy group; ethoxy group; propoxy group; isopropoxy group; n-butoxy group; tertiary butoxy group; and A represents -CHCHCONR5R6 group, where R5 and R6 represent independently hydrogen atom; alkyl or hydroxyalkyl having 1 to 4 carbon atoms; preferably R5 and R6 representing hydrogen atoms; and R1, R2, R3 may be located independently in ortho, meta or para position relative to A.
- R1, R2 or R3 is haloalkyl, it may be trifluoromethyl.
- the compound according to Formula (I) may be selected from a group consisting of 3-phenylsulphonyl-2-propenenitrile, 3-[(4-fluorophenyl)sulphonyl]-2-propenenitrile, 3-[(2,4-dimethylphenyl)sulphonyl]-2-propenenitrile, 3-[(4-trifluormethyl-phenyl)sulphonyl]-2-propenenitrile, 3-[(3,4-dimethylphenyl)sulphonyl]2-propenenitrile, 3-(3,5-dimethylphenyl)sulphonyl-2-propenenitrile, 3-[(2,4,6-trimethylphenyl)-sulphonyl]-2-propenenitrile, 3-(4-methoxyphenyl)sulphonyl-2-propenenitrile, (3-[(4-methylphenyl)sulphonyl]prop-2-enamide, 3-[(4-methylphenyl)sul
- the compound according to Formula (I) is selected from a group consisting of 3-phenylsulphonyl-2-propenenitrile; 3-[(4-trifluormethylphenyl)-sulphonyl]-2-propenenitrile; 3-[(2,4,6-trimethylphenyl)sulphonyl]-2-propenenitrile; 3-(4-methoxyphenyl)sulphonyl-2-propenenitrile; 3-[(4-methylphenyl)sulphonyl]-prop-2-enamide; and any of their isomers.
- compositions used in the present method do not comprise 3-[(4-methylphenyl)sulphonyl]-2-propenenitrile or 4-amino-N-2-thiazolyl-benzene-sulphonamide, i.e. the compositions are free of these compounds.
- the composition may comprise compound(s) according to Formula (I) in form of a Z- or E-isomer, or the composition may comprise these compounds as a mixture of both isomers.
- the ratio of E to Z isomers in the composition may be from 70:30 to 100:0 or from 80:20 to 99:1.
- the ratio of E to Z isomers in the composition may be from 30:70 to 0:100 or from 20:80 to 1:99
- a composition comprising one or several compounds according to Formula (I).
- compounds according to Formula (I) may be administered as one composition, i.e. as a mixture, or they may be administered as separate compositions successively after each other.
- the individual dosages for each compound may be the same or different from each other. In this manner it is possible to effectively control the biofilm and/or microorganisms in the aqueous environment.
- the present invention is suitable for controlling the growth of microorganisms belonging to genus of Meiothermus, Deinococcus and /or Pseudoxanthomonas in the aqueous environment.
- the aqueous environment of the industrial manufacturing process which comprises cellulosic fibre material, thus comprises bacteria belonging to genus of Meiothermus, Deinococcus and /or Pseudoxanthomonas, either alone or in any combination, or the aqueous environment is in contact with a biofilm at least partially formed by any of the said bacteria.
- the microorganisms in the said industrial processes are typically not photosynthetic microorganisms, i.e.
- the aqueous environment is almost or completely free of photosynthetic microorganisms, e.g. algae.
- Addition of the compound according to Formula (I) reduces the amount of the said microorganisms, either in free form or as biofilm, or even eliminates their presence in the aqueous environment completely.
- the elimination may be total or partial.
- the prevention refers here to any preventive eliminating action which reduces or inhibits the growth of the microorganisms in biofilm mode and thereby totally or partially prevents the formation of the biofilm.
- composition comprising compound according to Formula (I) may be added to the aqueous environment in biostatic or biocidal amounts.
- Biostatic amount refers to an amount sufficient to at least prevent and/or inhibit the activity and/or growth of the microorganisms or the biofilm.
- Biocidal amount refers to more effective activity, such as to an amount capable of reducing the activity and/or growth of the microorganisms or the biofilm and/or killing most or all of the microorganisms present in the aqueous environment.
- the compound according to Formula (I) may be added to the aqueous environment in dosage amount of 0.01 - 100 ppm, preferably 0.01 - 10 ppm, more preferably 0.01 - 2 ppm or 0.01 - 1 ppm, even more preferably 0.01 - 0.5 ppm or 0.01 - 0.3 ppm, calculated as active ingredient which is here understood as compound(s) according to Formula (I).
- the effectiveness of the compound enables the use of low dosage and low concentrations while maintaining good control of micro-organisms growth and biofilm formation and/or growth.
- Compounds according to Formula (I) may be added to the aqueous environment as a solid, such as dry powder, or more preferably in a liquid form. Compound may be dosed continuously or periodically. According to one embodiment of the invention the composition comprising the compound according to Formula (I) may be administered periodically in the aqueous environment for 3-45 minutes for 6 - 24 times a day, preferably for 10 - 30 minutes for 12 - 24 times a day.
- the industrial manufacturing process has an aqueous environment comprising cellulosic fibre material of natural origin and is pulp and/or paper and/or board manufacturing process, where the aqueous environment shows high temperature and/or high flow rate.
- the composition comprising the compound according to Formula (I) is thus added or dosed to a pulp and/or paper and/or board manufacturing system.
- the aqueous environments in these processes often show high flow and high shear rates, which may induce the formation of biofilm on the process surfaces due to the stress of microorganisms.
- the flow rates may typically be higher than 1 m/s, even over 10 m/s, typically from 1 to 20 m/s or from 1 to 10 m/s.
- the composition comprising the compound according to Formula (I) is effective especially in these demanding conditions, and it may be generally used throughout the whole process in order to reduce and/or to prevent the growth of microorganisms and the formation of biofilm on the process surfaces.
- the composition comprising the compound according to Formula (I) may be added at almost any point in the process, especially into process with recirculated process water to maintain the control of microorganisms and/ or biofilm formation throughout the process.
- the composition comprising a compound according to Formula (I) may also or alternatively added to raw material flow.
- the composition comprising a compound according to Formula (I) may be added to cellulosic fibre material, e.g. lignocellulosic fibre material, which is used as a raw material in the process.
- the industrial manufacturing process having an aqueous environment comprising cellulosic fibre material of natural origin may be pulp and/or paper and/or board manufacturing process, where the pH of the aqueous environment is in the range 5-9, preferably 7 - 8.5.
- the compound according to Formula (I) may be added in the industrial manufacturing process having an aqueous environment comprising cellulosic fibre material, which is paper and/or board manufacturing process, especially in a short loop of the paper or board making process.
- pulp stock is passed into a headbox, which distributes the pulp stock onto a moving wire in a forming section, on which the continuous paper web is formed.
- the short loop or short circulation section of a paper/board machine is here understood, as customary in the art, the part of the manufacturing system that re-circulates and recycles at least a part of excess water from the pulp stock, collected in a wire pit in the forming section, back to the headbox for re-use.
- the compound according to Formula (I) may be added in the industrial manufacturing process having an aqueous environment comprising cellulosic fibre material, e.g. pulp and/or paper and/or board manufacturing process, to process water storage towers, such as circulating water towers and filtrate water towers; to clear or cloudy filtrate storage tanks; pulpers; aqueous streams upstream/downstream of the pulpers; broke system and aqueous process streams upstream/downstream of vessels therein; wire pit process streams upstream/downstream of the pit; paper machine blend chest process streams upstream/downstream of the chest; fresh water tank; warm water tank and/or shower water tank.
- process water storage towers such as circulating water towers and filtrate water towers
- to clear or cloudy filtrate storage tanks pulpers
- aqueous streams upstream/downstream of the pulpers broke system and aqueous process streams upstream/downstream of vessels therein
- wire pit process streams upstream/downstream of the pit paper machine blend chest process streams upstream/downstream of the
- the compound according to Formula (I) is added to aqueous environment, which comprises a residual of peroxide from 0.01 to 100 ppm or from 0.01 to 50 ppm.
- the compound according to Formula (I) may be used in combination with other biocidal or antimicrobial agents.
- Suitable other biocidal or antimicrobial agents can be non-oxidizing biocidal or antimicrobial agents, or oxidizing biocidal or antimicrobial agents.
- Suitable non-oxidizing biocidal or antimicrobial agents are, for example, glutaraldehyde, 2,2-dibromo-3-nitrilopropionamide (DBNPA), 2-bromo-2-nitropropane-1,3-diol (Bronopol), quaternary ammonium compounds, carbamates, 5-chloro-2-methyl-4-isothiazolin-3-one (CMIT), and 2-methyl-4-isothiazolin-3-one (MIT).
- Suitable oxidizing biocidal or antimicrobial agents are, for example, chlorine, salts of hypochlorite, hypochlorous acid, chlorinated isocyanurates, bromine, salts of hypobromite, hypobromous acid, bromine chloride, chlorine dioxide, ozone, hydrogen peroxide, and peroxy compounds, such as peracetic acid or performic acid.
- Other suitable oxidizing biocidal agents are, for example, stabilized halogen compounds wherein active halogen, such as chlorine or bromine is reacted with a nitrogenous compound, such as dimethylhydantontoin, an ammonium salt, urea, carbamate, or another nitrogen containing molecule capable of reacting with active halogen.
- the compound according to Formula (I) is added to aqueous environment, which comprises a residual of active halogen in the range from about 0.01 to about 20 ppm, given as active chlorine.
- Biofilm tests were done in either synthetic commercial R2-broth (Lab M Ltd, UK) or fibre-containing synthetic paper machine water, SPW (prepared according to Peltola, et al., J. Ind. Microbiol. Biotechnol. 2011, 38: 1719-1727 ) using 96-microwell plate wells with peg lids (Thermo Fischer Scientific Inc., USA). Plates were incubated at 45 °C with a rotary shaking (150 rpm) providing high flow in each well.
- DBNPA 2,2-dibromo-3-nitrilopropionamide
- Compound C (2E)-3-phenylsulphonyl-2-propenenitrile, hereinafter called Compound C was synthesised as follows: 1.066 g (0.00533 mol) of C 6 H 5 SO 2 Na ⁇ 2H 2 O was weighed into 50 ml flask. 3 ml H 2 O and 1 ml AcOH were added followed by stirring until complete dissolution. 0.466 g (0.00533 mol, 1 eq.) of 2-chloroacrylonitrile was added to the clear solution. Mixture was stirred for 0.5 h, followed by addition of 7 ml of H 2 O and extra 15 minutes of stirring. The mixture was left to refrigerator overnight.
- the mixture was evaporated a bit under vacuum at 40 °C. After 5 min of evaporation (around 10 ml evaporated), colour of the solution turned slightly pink and evaporation was stopped. The mixture was left overnight into refrigerator.
- Mass of the product was 0.461 g.
- column chromatography with eluent CHCl 3 /MeOH 10:1 was performed. 50 g of medium size silica gel was used and 18 fractions (50ml each) were collected. Each fraction was analysed with TLC (CHCl 3 /MeOH 10:1). In the first fraction, there were impurities and therefore fractions 2-9 were collected. Fractions 10 - 18 didn't contain significant amount of the product. Solution (fractions 2-9) was evaporated under vacuum and dried in lyophilizer. Mass of the final product was 0.317g. HPLC Purity: 94.4%.
- the original peg-lid was put back in place and biofilm was allowed to grow for additional 24 h, i.e. in total 48 h.
- the wells were emptied and a fresh solution of SPW, inoculated with the pure bacterial cultures and with different amounts of chemical compounds to be tested were added and the original peg-lid was placed back in place. After an additional 2 or 24 hours the wells were emptied, rinsed and the peg lid and wells were left to dry.
- the amount of biofilm formed on the microwells and peg surfaces was quantified with a staining solution by adding 200 ⁇ l of 1 % Crystal Violet (Merck Millipore KGaA, Germany) in methanol to each well and placing the peg-lid back on. After 3 minutes the wells were emptied and the wells and pegs were rinsed 3 times with tap water. The attached Crystal Violet was dissolved into ethanol and the absorbance at 595 nm was measured. The values shown in the following tables are average absorbance from 8 replicate wells and pegs.
- Tables 1 and 2 demonstrate the ability of a conventional antimicrobial agent DBNPA to prevent biofilm formation of Meiothermus silvanus and Pseudoxanthomonas taiwanensis.
- Test conditions simulated paper or board making process conditions (synthetic paper machine water, high temperature, fibres present, high flow).
- the conventional antimicrobial agent DBNPA required a dosage of 1 mg/l active compound to reach acceptable or noticable biofilm reduction efficacy.
- the results for DBNPA are given in Tables 1 and 2.
- Table 1 shows the effect of DPNPA dosing to Meiothermus silvanus biofilms in SPW at 45 °C and 150 rpm (high mixing). Biofilm was stained and quantified by absorbance measurement. Dosage given as active ingredient. Table 1 Dosage of DBNPA [mg/l] Biofilm quantity after 48 h contact time Abs. at 595 nm Biofilm reduction [%] 0 0.66 0.2 0.57 16.9 0.6 0.35 60.7 1 0.15 98.8
- Table 2 shows the effect of DPNPA dosing to Pseudoxanthomonas taiwanensis biofilms in SPW at 45 °C and 150 rpm (high mixing). Biofilm was stained and quantified by absorbance measurement. Dosage given as active ingredient. Table 2 Dosage of DBNPA [mg/l] Biofilm quantity after 48 h contact time Abs. at 595 nm Biofilm reduction, [%] 0 1.65 0.2 1.46 12.6 0.6 1.23 27.8 1 0.14 99.9
- Table 3 shows the effect of Gramicidin dosing to Meiothermus silvanus biofilms in R2-broth and SPW. Biofilm was stained and quantified by absorbance measurement. Dosage given as active ingredient. Table 3 Dosage of Gramicidin [mg/l] Biofilm quantity after 48 h contact time in R2-broth Biofilm quantity after 48 h contact time in SPW Abs. at 595 nm Biofilm reduction, [%] Abs. at 595 nm Biofilm reduction, [%] 0 1.60 - 1.36 - 0.2 1.40 13.7 1.33 2.5 1 0.66 64.4 1.41 -4.1 3 0.17 97.9 0.45 74.6 10 0.14 100.0 0.19 95.9
- Table 4 shows the effect of Gramicidin dosing to Pseudoxanthomonas taiwanensis biofilms in R2-broth and SPW. Biofilm was stained and quantified by absorbance measurement. Dosage given as active ingredient. Table 4 Dosage of Gramicidin [mg/l] Biofilm quantity after 48 h contact time in R2-broth Biofilm quantity after 48 h contact time in SPW Abs. at 595 nm Biofilm reduction, [%] Abs at 595 nm Biofilm reduction, [%] 0 2.78 - 2.37 - 3 2.80 -0.8 2.25 5.4 10 2.55 8.7 2.41 -1.8 25 0.19 98.1 2.42 -2.2
- Tables 5 and 6 demonstrate the ability of Compound C and Compound E to prevent biofilm formation of Meiothermus silvanus and Pseudoxanthomonas taiwanensis. Test conditions are identical to test conditions of Example 1. It was observed that Compound C and Compound E were able to control biofilms at a very low concentration. Already a dosage of 0.2 mg/l active Compound C or Compound E gave over 90 % biofilm reduction effect.
- Table 5 shows the effect of Compound C dosage to Meiothermus silvanus biofilms in SPW at 45 °C and 150 rpm (high mixing). Biofilm was stained and quantified by absorbance measurement. Compound C dosage is given as active compound. Table 5 Dosage of Compound C [mg/l] Biofilm quantity after 48 h contact time Abs. at 595 nm Biofilm reduction [%] 0 0.85 0.06 0.64 29.7 0.2 0.15 98.2
- Table 6 shows the effect of Compound E dosage to Meiothermus silvanus biofilms in SPW at 45 °C and 150 rpm (high mixing). Biofilm was stained and quantified by absorbance measurement. Compound E dosage is given as active compound. Table 6 Dosage of Compound E [mg/l] Biofilm quantity after 48 h contact time Abs. at 595 nm Biofilm reduction [%] 0 2.25 0.06 1.43 38.8 0.2 0.14 99.6
- Results in Tables 5 and 6 demonstrate that Compound C and Compound E are capable to prevent biofilm formation of dominant industrial biofilm-formers under paper machine conditions at a very low dosage when compared to conventional biocide used in paper industry.
- Tables 7 and 8 demonstrate the ability of Compound D and Compound F to remove already formed biofilms of Meiothermus silvanus or Pseudoxanthomonas taiwanensis.
- Test conditions simulated paper making process conditions (synthetic paper machine water, high temperature, fibres present, high flow). Compound D and Compound F were observed to remove already formed biofilms.
- Table 7 shows the effect of Compound D dosage to Pseudoxanthomonas taiwanensis biofilms in SPW at 45 °C and 150 rpm (high mixing). Biofilm was pre-grown for 24 h after which Compound D was added in given amount. After 24 hours the biofilm was stained and quantified by absorbance measurement. Compound D dosage is given as active compound. Table 7 Dosage of Compound D [mg/l] Biofilm quantity after 24h pre-growth and 24h contact time Abs. at 595 nm Biofilm reduction [%] 0 2.25 0.2 2.07 8.4 0.6 0.18 97.9
- Table 8 shows the effect of Compound F dosage to Meiothermus silvanus biofilms in SPW at 45 °C and 150 rpm (high mixing). Biofilm was pre-grown for 24 h after which Compound F was added in given amount. After 24 hours the biofilm was stained and quantified by absorbance measurement. Compound F dosage is given as active compound. Table 8 Dosage of Compound F [mg/l] Biofilm quantity after 24h pre-growth and 24h contact time Abs. at 595 nm Biofilm reduction [%] 0 1.29 0.2 1.21 6.4 0.6 0.86 37.3
- Table 9 demonstrates the ability of Compound C to remove already formed biofilms of Pseudoxanthomonas taiwanensis.
- Test conditions simulated paper making process conditions (synthetic paper machine water, high temperature, fibres present, high flow). Compound C was observed to remove already formed biofilms.
- Table 9 shows the effect of Compound C dosage to Pseudoxanthomonas taiwanensis biofilms in SPW at 45 °C and 150 rpm (high mixing). Biofilm was pre-grown for 24 h after which Compound C was added in given amount. After 24 hours the biofilm was stained and quantified by absorbance measurement. Compound C dosage is given as active compound. Table 9 Dosage of Compound C [mg/l] Biofilm quantity after 24h pre-growth and 24h contact time Abs. at 595 nm Biofilm reduction [%] 0 1.05 0.2 0.15 98.5 0.4 0.15 99.0
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- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Paper (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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Claims (15)
- Procédé pour la régulation d'un biofilm, pour l'élimination d'un biofilm formé et/ou pour la régulation d'une croissance de micro-organismes choisis parmi des bactéries, dans un environnement aqueux d'un processus de fabrication industrielle comprenant une matière de fibres cellulosiques, par administration à l'environnement aqueux du processus d'une composition comprenant un composé selon la formule IR1, R2 et R3 représentent indépendamment un atome d'hydrogène ; un atome d'halogène ; un groupe hydroxy ; un groupe amino ; un groupe alkylamino, un groupe alkyle, un groupe hydroxyalkyle, un groupe halogénoalkyle ou un groupe alcoxy ayant 1 à 4 atomes de carbone ; ou un groupe acylamido ayant 1 à 10 atomes de carbone ; etA représente 2-thiazolamine ; 2-propènenitrile ; acide 2-propénoïque ; ester d'alkyle ou ester d'hydroxyalkyle d'acide 2-propénoïque ayant 1 à 4 atomes de carbone ; ou un groupe -CHCHCONR5R6, dans lequel R5 et R6 représentent indépendamment un atome d'hydrogène, alkyle ou hydroxyalkyle ayant 1 à 4 atomes de carbone,à la condition que ledit composé ne soit pas le 3-[(4-méthylphényl)sulfonyl]-2-propènenitrile ou le 4-amino-N-2-thiazolyl-benzènesulfonamide.
- Procédé selon la revendication 1, caractérisé en ce que dans la formule (I)R1 représente un groupe méthyle ; un groupe éthyle propyle ; un groupe butyle ; un groupe méthoxy ; un groupe éthoxy ; un groupe propoxy ; un groupe isopropoxy ; un groupe n-butoxy ; ou un groupe butoxy tertiaire ; etR2 et R3 représentent indépendamment un atome d'hydrogène ; un groupe méthyle ; un groupe éthyle propyle ; un groupe butyle ; un groupe méthoxy ; un groupe éthoxy ; un groupe propoxy ; un groupe isopropoxy ; un groupe n-butoxy ; un groupe butoxy tertiaire ; etA représente 2-propènenitrile ;R1, R2, R3 étant situés indépendamment en position ortho, méta ou para par rapport à A.
- Procédé selon la revendication 1, caractérisé en ce que dans la formule(I)R1 représente un groupe méthyle ; un groupe éthyle propyle ; un groupe butyle ; un groupe méthoxy ; un groupe éthoxy ; un groupe propoxy ; un groupe isopropoxy ; un groupe n-butoxy ; un groupe butoxy tertiaire ; ou un groupe amino ; etR2 et R3 représentent indépendamment un atome d'hydrogène ; un groupe méthyle ; un groupe éthyle propyle ; un groupe butyle ; un groupe méthoxy ; un groupe éthoxy ; un groupe propoxy ; un groupe isopropoxy ; un groupe n-butoxy ; un groupe butoxy tertiaire ; etA représente un groupe -CHCHCONR5R6, dans lequel R5 et R6 représentent indépendamment un atome d'hydrogène ; alkyle ou hydroxyalkyle ayant 1 à 4 atomes de carbone ; préférablement R5 et R6 représentant des atomes d'hydrogène, R1, R2, R3 étant situés indépendamment en position ortho, méta ou para par rapport à A.
- Procédé selon la revendication 1, caractérisé en ce que le composé selon la formule (I) est choisi dans le groupe constitué par 3-phénylsulfonyl-2-propènenitrile, 3-[(4-fluorophényl)sulfonyl]-2-propènenitrile, 3-[(4-trifluorméthylphényl)sulfonyl]-2-propènenitrile, 3-[(2,4-diméthylphényl)sulfonyl]-2-propènenitrile, 3-[(3,4-diméthylphényl)sulfonyl]2-propènenitrile, 3-(3,5-diméthylphényl)sulfonyl-2-propènenitrile, 3-[(2,4,6-triméthylphényl)sulfonyl]-2-propènenitrile, 3-(4-méthoxyphényl)sulfonyl-2-propènenitrile, 3-[(4-méthylphényl)sulfonyl]prop-2-énamide, acide 3-[(4-méthylphényl)sulfonyl]prop-2-énoïque, et l'un quelconque de leurs isomères.
- Procédé selon la revendication 4, caractérisé en ce que le composé selon la formule (I) est choisi dans le groupe constitué par 3-phénylsulfonyl-2-propènenitrile, 3-[(4-trifluorméthylphényl)sulfonyl]-2-propènenitrile, 3-[(2,4,6-triméthylphényl)sulfonyl]-2-propènenitrile, 3-(4-méthoxyphényl)sulfonyl-2-propènenitrile et 3-[(4-méthylphényl)sulfonyl]prop-2-énamide; et l'un quelconque de leurs isomères.
- Procédé selon l'une quelconque des revendications précédentes 1 à 5, caractérisé par l'administration de la composition à l'environnement aqueux en une quantité de 0,01 à 100 ppm, préférablement de 0,01 à 10 ppm, plus préférablement de 0,01 à 2 ppm, calculée comme composé actif.
- Procédé selon l'une quelconque des revendications précédentes 1 à 6, caractérisé par l'administration de la composition à l'environnement aqueux en une quantité de 0,01 à 1 ppm, préférablement de 0,01 à 0,5 ppm, plus préférablement de 0,01 à 0,3 ppm, calculée comme composé actif.
- Procédé selon l'une quelconque des revendications précédentes 1 à 7, caractérisé en ce que l'environnement aqueux comprend des bactéries appartenant au genre de Meiothermus, Deinococcus et/ou Pseudoxanthomonas, soit seules, soit en une quelconque combinaison, ou l'environnement aqueux est en contact avec un biofilm au moins partiellement formé par l'une quelconques desdites bactéries.
- Procédé selon l'une quelconque des revendications précédentes 1 à 8, caractérisé en ce que l'environnement aqueux comprend de l'eau ; des fibres cellulosiques, préférablement des fibres lignocellulosiques ; et en outre éventuellement un amidon ; des particules minérales inorganiques, telles que des charges et/ou des minéraux de revêtement ; des hémicelluloses ; de la lignine ; et/ou des substances dissoutes et colloïdales.
- Procédé selon l'une quelconque des revendications précédentes 1 à 9, caractérisé par l'administration de la composition à un processus de fabrication industrielle, qui comprend une matière de fibres cellulosiques et qui est choisi parmi la fabrication de papier, de carton, de pulpe, de mouchoirs, de pulpe moulée, de non-tissé ou de viscose, préférablement la fabrication de pulpe, de papier ou de carton.
- Procédé selon l'une quelconque des revendications précédentes 1 à 10, caractérisé par l'administration de la composition à l'environnement aqueux, qui comprend un résidu de peroxyde de 0,01 à 100 ppm.
- Procédé selon l'une quelconque des revendications précédentes 1 à 11, caractérisé en ce que la température de l'environnement aqueux est d'au moins 40 °C, préférablement d'au moins 50 °C.
- Procédé selon l'une quelconque des revendications précédentes 1 à 12, caractérisé par l'administration de la composition de manière périodique dans l'environnement aqueux pendant 3 à 45 minutes 6 à 24 fois par jour, préférablement pendant 10 à 30 minutes 12 à 24 fois par jour.
- Procédé selon l'une quelconque des revendications 1 à 13, caractérisé par l'utilisation de la composition en plus d'avec d'autres agents biocides ou antimicrobiens.
- Procédé selon la revendication 14, caractérisé par l'administration de la composition à l'environnement aqueux, qui comprend un résidu d'halogène actif dans la plage de 0,01 à 20 ppm, donné comme chlore actif.
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EP17188319.2A EP3450623B1 (fr) | 2017-08-29 | 2017-08-29 | Procédé de contrôle de la croissance de micro-organismes et/ou de biofilms dans un processus industriel |
US16/640,069 US11643782B2 (en) | 2017-08-29 | 2018-08-28 | Method for controlling growth of microorganisms and/or biofilms in an industrial process |
PCT/EP2018/073109 WO2019042985A1 (fr) | 2017-08-29 | 2018-08-28 | Procédé de commande de croissance de micro-organismes et/ou de biofilms dans un processus industriel |
AU2018326427A AU2018326427B2 (en) | 2017-08-29 | 2018-08-28 | Method for controlling growth of microorganisms and/or biofilms in an industrial process |
CA3073223A CA3073223A1 (fr) | 2017-08-29 | 2018-08-28 | Procede de commande de croissance de micro-organismes et/ou de biofilms dans un processus industriel |
KR1020207008968A KR102612906B1 (ko) | 2017-08-29 | 2018-08-28 | 산업 공정에서 미생물 및/또는 생물막의 성장을 제어하는 방법 |
JP2020512793A JP7276695B2 (ja) | 2017-08-29 | 2018-08-28 | 工業的プロセスにおける微生物及び/又はバイオフィルムの増殖を制御するための方法 |
BR112020003504-1A BR112020003504A2 (pt) | 2017-08-29 | 2018-08-28 | método para controlar o crescimento de micro-organismos e/ou biofilmes em um processo industrial |
RU2020110929A RU2020110929A (ru) | 2017-08-29 | 2018-08-28 | Способ контроля роста микроорганизмов и/или биопленок в промышленном процессе |
CN201880056644.9A CN111051609B (zh) | 2017-08-29 | 2018-08-28 | 在工业过程中控制微生物和/或生物膜生长的方法 |
EP18756467.9A EP3676445B1 (fr) | 2017-08-29 | 2018-08-28 | Procédé de contrôle de la croissance de micro-organismes et/ou de biofilms dans un processus industriel |
CL2020000473A CL2020000473A1 (es) | 2017-08-29 | 2020-02-26 | Método de control de la proliferación de microorganismos y/o formación de biopelículas en un proceso industrial. |
ZA2020/01210A ZA202001210B (en) | 2017-08-29 | 2020-02-26 | Method for controlling growth of microorganisms and/or biofilms in an industrial process |
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EP17188319.2A EP3450623B1 (fr) | 2017-08-29 | 2017-08-29 | Procédé de contrôle de la croissance de micro-organismes et/ou de biofilms dans un processus industriel |
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BR112022018367A2 (pt) * | 2020-04-20 | 2022-11-08 | Kemira Oyj | Método de controle de atividades enzimáticas e ferramentas associadas |
US20230391718A1 (en) | 2020-11-05 | 2023-12-07 | Kemira Oyj | Method for preparing arylvinylsulphones |
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JP7276695B2 (ja) | 2023-05-18 |
WO2019042985A1 (fr) | 2019-03-07 |
CN111051609B (zh) | 2022-07-08 |
RU2020110929A3 (fr) | 2021-10-22 |
EP3676445B1 (fr) | 2023-05-31 |
KR102612906B1 (ko) | 2023-12-11 |
JP2020531709A (ja) | 2020-11-05 |
US11643782B2 (en) | 2023-05-09 |
ZA202001210B (en) | 2021-08-25 |
EP3676445A1 (fr) | 2020-07-08 |
KR20200045539A (ko) | 2020-05-04 |
AU2018326427A2 (en) | 2020-03-26 |
EP3450623C0 (fr) | 2023-06-28 |
CL2020000473A1 (es) | 2020-08-28 |
BR112020003504A2 (pt) | 2020-09-01 |
CA3073223A1 (fr) | 2019-03-07 |
AU2018326427B2 (en) | 2022-10-13 |
CN111051609A (zh) | 2020-04-21 |
EP3450623A1 (fr) | 2019-03-06 |
US20200199818A1 (en) | 2020-06-25 |
US20220056641A2 (en) | 2022-02-24 |
AU2018326427A1 (en) | 2020-03-19 |
RU2020110929A (ru) | 2021-09-30 |
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